来个人吧，教教我djanho3.0怎么连接SQL server数据库吧，网上找了好多方法都没有用
一直报这个错，把包放django的db/backends
也没用
django.core.exceptions.ImproperlyConfigured: 'sql_server.pyodbc' isn't an available database backend.
Try using 'django.db.backends.XXX', where XXX is one of:
'mysql', 'oracle', 'postgresql', 'sqlite3'